Haptic perception of linear extent

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Haptic perception of linear extent.

The perception of linear extent in haptic touch appears to be anisotropic, in that haptically perceived extents can depend on the spatial orientation and location of the object and, thus, on the direction of exploratory motion. Experiments 1 and 2 quantified how the haptic perception of linear extent depended on the type of motion (radial or tangential to the body) when subjects explored differ...

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Testing for haptic perception.

I n this edition of Arquivos de Neuropsiquiatria Nascimento et al. 1 present the results of a group effort in the development of a scale to measure haptic perception. Haptic perception is the " extraction of information about an object's properties such as its size, shape, and texture by means of exploratory manual movements " 2. Although haptic perception is largely dependent on touch, it is i...

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Haptic perception of spatial relations.

There are some indications that haptic space like visual space is not Euclidean (e.g. Blumenfeld, 1937 Acta Psychologica 2 125-174). In a series of experiments, we investigated the haptic perception of spatial relations in a systematic way. We restricted ourselves to a horizontal plane at waist height. Blindfolded subjects were asked to perform three tasks with their right hand: (i) a reference...

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Haptic Categorical Perception of Shape

Categorization and categorical perception have been extensively studied, mainly in vision and audition. In the haptic domain, our ability to categorize objects has also been demonstrated in earlier studies. Here we show for the first time that categorical perception also occurs in haptic shape perception. We generated a continuum of complex shapes by morphing between two volumetric objects. Usi...

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Haptic Perception of Macro Texture

The studies of texture perception focused mainly on displaying the textures with interior space gap in the millimeter level and below. We could call this kind of texture “fine texture”. In contrast, the “macro texture” has space gap in centimeters and above, and it is considered as the special texture with tiny texture pattern covered on curved surface. Macro texture contains richer surface inf...

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ژورنال

عنوان ژورنال: Perception & Psychophysics

سال: 1999

ISSN: 0031-5117,1532-5962

DOI: 10.3758/bf03207624